Four of the five substances listed below are related
by a common chemical similarity. Select the
exception.
a. amylose
b. maltose
c. sucrose
d. lactose
e. all these are disaccharides
Answer: a
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A. protostome B. fimbrium C. lophophore D. trochophore E. rhizophore
The failure of chromosomes to separate during mitosis or meiosis is called
a. genetic displacement. b. trisomy. c. crossing over. d. nondisjunction. e. disjunction.
Water flowing over fish gills exchanges gases with blood flowing in the opposite direction inside gill
capillaries. This is called__________. Fill in the blank(s) with the appropriate word(s).
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